1245442050 has 144 divisors (see below), whose sum is σ = 3504204288. Its totient is φ = 316742400.

The previous prime is 1245442013. The next prime is 1245442057. The reversal of 1245442050 is 502445421.

1245442050 is a `hidden beast` number, since 1 + 2 + 454 + 4 + 205 + 0 = 666.

It is a super-2 number, since 2×1245442050² = 3102251799816405000, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1245442057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1017739 + ... + 1018961.

It is an arithmetic number, because the mean of its divisors is an integer number (24334752).

Almost surely, 2^1245442050 is an apocalyptic number.

1245442050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1245442050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1752102144).

1245442050 is an abundant number, since it is smaller than the sum of its proper divisors (2258762238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1245442050 is a wasteful number, since it uses less digits than its factorization.

1245442050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345 (or 1337 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 1245442050 is about 35290.8210445719. The cubic root of 1245442050 is about 1075.9064429695.

Adding to 1245442050 its reverse (502445421), we get a palindrome (1747887471).

The spelling of 1245442050 in words is "one billion, two hundred forty-five million, four hundred forty-two thousand, fifty".